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{af16652c-3cdd-4795-b89b-2d9cf16806d6}w.sys

allgenius

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {af16652c-3cdd-4795-b89b-2d9cf16806d6}w.sys by allgenius has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a Windows kernel mode device driver named “{af16652c-3cdd-4795-b89b-2d9cf16806d6}w”.
Publisher:
StdLib  (signed by allgenius)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
86a4a26c85c841b1fd305394a42a665e

SHA-1:
b9ca36e5181cf52d23ff5190f26b0000eb6fbcdf

SHA-256:
d601b8c069fae39ccc15e084eaa78c7bf866806a63b9adaf7d944f4c23cb2584

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
11/23/2024 9:33:44 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.15.0

File size:
38.2 KB (39,104 bytes)

Product version:
1.4.3.1

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win32 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{af16652c-3cdd-4795-b89b-2d9cf16806d6}w.sys

Digital Signature
Signed by:
allgenius

Authority:
VeriSign, Inc.

Valid from:
4/22/2014 3:00:00 AM

Valid to:
4/23/2015 2:59:59 AM

Subject:
CN=allgenius, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=allgenius, L=Santa Monica, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
570352A91D1B96E64EC15703FDAF2405

File PE Metadata
Compilation timestamp:
9/13/2014 2:32:59 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

Entry address:
0x903E

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, 20, 80, FF, FF, CC, CC, 74, 91, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, AE, 94, 00, 00, C0, 70, 00, 00, B4, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 04, 95, 00, 00, 00, 70, 00, 00, EC, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, A0, 98, 00, 00, 38, 70, 00, 00, C4, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 98, 99, 00, 00, 10, 70, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, DC, 94, 00, 00, F0, 94, 00, 00, C8, 94...
 
[+]

Code size:
24.5 KB (25,088 bytes)

Driver
Display name:
{af16652c-3cdd-4795-b89b-2d9cf16806d6}w

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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